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INTERACTIVE HOLOGRAPHIC DISPLAY SID UK MEETING
Javid&Khan&Holoxica®&Ltd&Scottish&Microelectronics&Centre&Edinburgh&March&26,&2013&
Overview
! Intro&to&Holoxica&! Digital&holograms&! 3D&Displays&! Holographic&3D&! Our&R&D&! Next&steps&
26/03/2013&©&Holoxica&Ltd& 2&
Introduction
26/03/2013& 3&
For$people$to$work,$see$and$play$in$3D$Real$holographic$3D,$the$way$it$should$be$Presentation$of$critical$&$complex$data$
Confidential&©&Holoxica&Ltd&
Products and services
Digital&holograms& Holographic&displays&3D&Solutions&Design&&&production&Custom&holograms&
R&D&programme&Segemented&displays&HUDs&Volume&displays&
26/03/2013& 4&Confidential&©&Holoxica&Ltd&
Digital hologram projects
! Anatomy&• Full&length&human&• Organs&
! ELT&! Higgs&Boson&! Industrial&design&
26/03/2013&©&Holoxica&Ltd& 5&
3D Technologies
! Taxonomy&• Stereoscopic&• AutoVstereoscopic&• Volumetric&• Holography&• �Others�&
! Commercial&focus&• Viable&technologies&
© Keio University, JP
26/03/2013&Javid&Khan&©&Holoxica&Ltd& 6&
© Sony Corporation
Volumetric displays
! Volume&filling&imagery&• VoxelVbased&
! Swept&volume&• Rotating&LED&arrays&• Rotating&screen&with&projector&• Full&colour,&&• <1M&voxels&• Mechanical&systems&
26/03/2013&Javid&Khan&©&Holoxica&Ltd& 7&
Volumetric displays
! Stacked&Volume&! 20&LC&shutter&layers&! Rear&projection&DMD&! Depth&cube&! Full&colour&! 15M&voxels&• Cost:&$50,000+& © Llightspace Technologies
26/03/2013&Javid&Khan&©&Holoxica&Ltd& 8&
Holography: Diffraction
FresnelVHuygens&! Transmission&! Coherent&! All&wavelengths&! Diffraction&efficiency&
Bragg&! Reflection&! Incoherent&! Wavelength&selective&! E.g.&Qualcomm&&
• Mirasol&display&Fresnel −Huygens :mλ = ΛsinθBragg :nλ2= Λsinθ
26/03/2013&Javid&Khan&©&Holoxica&Ltd& 9&
From Kress [4]
Digital printed holograms
! Digital&3D&holograms&• Real&3D&Images&• Full&colour&• 360°&&• From&CAD&models&
! Holoprinter&device&• Holopixels&• RGB&lasers&• Diffractive&integral&imaging&• Bragg&diffraction&
26/03/2013&Javid&Khan&©&Holoxica&Ltd& 10&
Holographic display design
! Display&• 1&μm&pitch&• Diffraction&angle:&60°&• 50x50mm&=&2.5&Gpixels&
! Bandwidth&• 3bits/pixel~1&Gbyte&• 25fps*3(RGB)~75GB/s&
! CGH&computation&• 1&mm3&volume&
• 100&μm&spacing&• 1k&points/cu&mm&• 1k*2.5G*25*3=187.5&TOPs&
! Very&challenging&• Optimisations&
• Single¶llax&• Compression&• Other&models&
26/03/2013&Javid&Khan&©&Holoxica&Ltd& 11&
Chris Slinger et al [5]
Holographic displays
! Qinteq&display&• Tiled&SLM&array&
! SeeReal&• Single&viewer&
! Univ.&Arizona&• Erasable&polymer&
! Zebra&Imaging&• DARPA&project&• Unknown&(classified)&
26/03/2013&Javid&Khan&©&Holoxica&Ltd& 12&
Holoxica 1st Gen Display
! Fixed&nr&frames&! Proof&of&concept&! Holoscreen&
• Multiplexed&&&interleaved&! Real&space&images&! Easy&illumination&! Cons&
• Limited&resolution&• Scalability&
26/03/2013&©&Holoxica&Ltd& 13&
Holographic Optical Elements
Functions& Pros/cons&
! Lens&! Mirrors&
! Filtering&! Prism&
! Beamsplitter&
! Gratings&! Interconnects&! Multiple/complex&
! Simplify&optics&! Reduce&bulk&&! Flat&optics&! Large&aperture&! Lower&cost&
! More&complex&design&! Limited&wavelengths&! Angular&dependency&! Spectral&dispersion&
26/03/2013& 14&
Confidential&©&Holoxica&Ltd&
Interactive Display System
! Optical&architecture&• HOE&lens&• Laser&projector&• Diffusion&screen&
! Electronics&• Kinect&sensor&• Digital&controller&
! Mechanics&! Software&
26/03/2013& 15&©&Holoxica&Ltd&
2nd Gen Display
! Focal&lengths&• DCG:&22cm&@532nm&• PP:&21cm&@532nm&&
! Viewing&angle&• 30°,&before&distortion&
! Diffraction&efficiency&• 65%&
! Image&size&~7x7cm&! Distortion&
• NonVparaxial&imaging&• Barrel&distortion&• For&larger&images&
26/03/2013&©&Holoxica&Ltd& 16&
Apps
! HUD&main&! Counter&! AirDraw&! Keypad&! Meter&! Ball&
26/03/2013&©&Holoxica&Ltd& 17&
Display systems capabilities
! Holographic/diffractive&optics&! Optical&design&&&modelling&! Digital&systems&
• Embedded&boards,&FPGAs&• Image&&&signal&processing&• Realtime&SW&
! Prototyping&• Joint&projects&• Contract&R&D&
26/03/2013& 18&Confidential&©&Holoxica&Ltd&
Next steps …
! Improved&components&• Larger&HOE&
! Improved&uniformity&
• Next&gen&Kinect&sensor&• Next&gen&laser&projector&• Speed&up&processing&
! Aberration&correction&! More&apps&! Development&kit&! The&Gadget&Show&
26/03/2013&©&Holoxica&Ltd& 19&
Conclusion
! Website&• www.holoxica.com&
! Email&• [email protected]&
&Holoxica®&Ltd&Scottish&Microelectronics&Centre&West&Mains&Rd&Edinburgh&EH9&3JF&United&Kingdom&
&26/03/2013& 20&Confidential&©&Holoxica&Ltd&
